/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Servlet;

import Utility.TagUtils;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author TOSHIBA
 */
public class AddTagServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String action = request.getParameter("btAction");
            if (action.equals("Add Tags")) {
                String tagString = request.getParameter("txtListTag");
                int placeID = Integer.parseInt(request.getParameter("placeID"));
                String[] listTag = tagString.split(",");
                //duyet tung tag
                for (int i = 0; i < listTag.length; i++) {
                    boolean typeOfTag = false;
                    String tagName;
                    String tagDetail = listTag[i].trim();
                    char prefix = tagDetail.charAt(0);
                    if (prefix == '+') {
                        typeOfTag = true;
                    }
                    tagName = tagDetail.trim().substring(1);
                    try {
                        TagUtils.updateTag(tagName, placeID, typeOfTag);
                    } catch (SQLException ex) {
                        Logger.getLogger(AddTagServlet.class.getName()).log(Level.SEVERE, null, ex);
                        response.sendRedirect("error.html");
                    }
                }
                String filePath = getServletContext().getRealPath("/")
                        + "WEB-INF/XMLFiles/Place" + placeID + ".xml";
                File f = new File(filePath);
                f.delete();
                RequestDispatcher rd = request.getRequestDispatcher("Controller?btAction=toPlaceDetail&placeID=" + placeID);
                rd.forward(request, response);
            } else if (action.equals("Delete")) {
                int tag_place_id = Integer.parseInt(request.getParameter("placeTagID"));
                int placeID = Integer.parseInt(request.getParameter("placeID"));
                TagUtils.deleteTagPlace(tag_place_id);
                String filePath = getServletContext().getRealPath("/")
                        + "WEB-INF/XMLFiles/Place" + placeID + ".xml";
                File f = new File(filePath);
                f.delete();
                RequestDispatcher rd = request.getRequestDispatcher("Controller?btAction=toPlaceDetail&placeID=" + placeID);
                rd.forward(request, response);
            }


        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
